alphabet soup vs variety

alphabet soup and variety both are nouns.

Word	Noun	Adjective	Verb	Adverb
alphabet soup	Yes	No	No	No
variety	Yes	No	No	No

As nouns, variety is a hypernym of alphabet soup; that is, variety is a word with a broader meaning than alphabet soup:

Other hypernyms of alphabet soup include assortment, miscellanea, miscellany, mixed bag, mixture, motley, potpourri, salmagundi, smorgasbord.

alphabet soup (noun)	variety (noun)
soup that contains small noodles in the shape of letters of the alphabet	noticeable heterogeneity
a confusing assortment	a difference that is usually pleasant
	a category of things distinguished by some common characteristic or quality
	a show consisting of a series of short unrelated performances
	(biology) a taxonomic category consisting of members of a species that differ from others of the same species in minor but heritable characteristics
	a collection containing a variety of sorts of things